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| 冷变型用高屈服强度钢 | |||||||
| 表2.5-6 | |||||||
| 牌号 | 化学成分（质量分数）/% | ||||||
| C≤ | Si≤ | Mn≤ | P≤ | S≤ | Mn≤ | 其他 | |
| DINEN10149-2热轧 | |||||||
| S315MC | 0.12 | 0.50 | 1.30 | 0.025 | 0.020 | - | - |
| S355MC | 0.12 | 0.50 | 1.50 | 0.025 | 0.020 | - | - |
| S420MC | 0.12 | 0.50 | 1.60 | 0.025 | 0.015 | - | Al≥0.015;Nb≤0.09;V≤0.20 |
| S460MC | 0.12 | 0.50 | 1.60 | 0.025 | 0.015 | - | Ti≤0.15 |
| S500MC | 0.12 | 0.50 | 1.70 | 0.025 | 0.015 | - | - |
| S550MC | 0.12 | 0.50 | 1.80 | 0.025 | 0.015 | - | - |
| S600MC | 0.12 | 0.50 | 1.90 | 0.015 | 0.015 | 0.50 | Al≥0.015;Nb≤0.09 |
| S650MC | 0.12 | 0.50 | 2.00 | 0.025 | 0.015 | 0.50 | V≤0.20;Ti≤0.22;B≤0.005 |
| S700MC | 0.12 | 0.50 | 2.10 | 0.025 | 0.015 | 0.50 | - |
| DINEN10149-3正火轧制 | |||||||
| S260NC | 0.16 | 0.50 | 1.20 | 0.025 | 0.020 | - | - |
| S310NC | 0.16 | 0.50 | 1.40 | 0.025 | 0.020 | - | Al≥0.015;Nb≤0.09;V≤0.10 |
| S355NC | 0.18 | 0.50 | 1.60 | 0.025 | 0.015 | - | Ti≤0.3 |
| S420NC | 0.20 | 0.50 | 1.60 | 0.025 | 0.015 | - | - |
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